const person = {
  name: '张三',
  age: 18
}
console.log(`我叫${person.name}，我今年${person.age}岁了`)

let arr1: [number, ...string[], number]
arr1 = [1, 'a', 'b', 'c', 1]

enum Color { Red, Green, Blue }
let c: Color = Color.Green
console.log(c)

const enum Dolor {
  Red,
  Green,
  Blue
}
let d: Dolor = Dolor.Green
console.log(d)

